229 c developer jobs at 100 companies in Sycamore, IL
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Sr. Substation P&C Engineer
Los Angeles or United States or Warrenville or Houston or Denver or Moscow
RemoteFull Time
5+ YOEBachelor's in Electrical Engineering, 5+ years substation P&C engineering experience, hands-on with relay protection (SEL, GE, Siemens, ABB), knowledge of NERC/PRC/IEEE/NEC, utilities/EPC/consulting experience; PE preferred.
SEL, GE, Siemens, ABB, AutoCAD, MicroStation, Bluebeam, SCADA
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.NET Developer (C#)
Rosemont, Illinois, United States
$87k-$109k/yr OnsiteFull Time
1+ YOE1–2 years .NET/C# and programming experience (or 3–5+ yrs with HS/GED), Microsoft SQL Server and PowerShell experience, REST/SOAP integration, JSON/XML knowledge; ability to travel ~10–15%.
.NET, C#, Microsoft SQL Server, PowerShell, Microsoft IIS, Microsoft VBScript, JavaScript, REST, SOAP, JSON, XML, Secure FTP, IBM DB2, Microsoft Azure
2mo
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P&C Underwriter
Conshohocken or Oak Brook or Plano
HybridFull Time
2+ YOE2+ years P&C underwriting experience with binding authority or brokerage focus; bachelor's degree or equivalent; product development/distribution experience preferred; ability to build profitable portfolio and provide team leadership.
1w
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Senior .NET/C# Technical Lead
Oakbrook Terrace, Illinois, United States
$81k-$141k/yr HybridFull Time
10+ YOE3+ Mgmt10+ years .NET/C# and SQL Server experience, 3+ years leading technical teams, Microsoft Azure and Azure DevOps experience, Bachelor's degree required, strong leadership and communication skills.
.NET, C#, Microsoft Azure, Azure DevOps, SQL Server
2w
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I&C Electrical Engineer
Byron, Illinois, United States
$93k-$154k/yr OnsiteFull Time
2+ YOEB.S. in Engineering, minimum 2 years nuclear or related experience (mid) or 5 years (senior); must meet ANSI/ANS-3.1-2014 requirements and maintain unescorted access and medical fitness; EIT preferred; experience with electrical systems and I&C.
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Cross Platform Embedded Software Developer
Lincolnshire, Illinois, United States
$100k-$130k/yr OnsiteFull Time
5+ YOE5+ years C/C++ embedded development with RTOS, experience with Android and debugging, strong communication and ability to work on cross-functional distributed teams.
C, C++, IAR Integrated Development Environment, Visual Studio, Windows SDKs, Android Studio, Android SDK, SMX® RTOS, GitHub Copilot, Tara Systems Embedded Wizard, Bluetooth, Wi-Fi, Ethernet, HTTPS, Sockets
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Application Developer
Oakbrook Terrace, Illinois, United States
$97k-$130k/yr OnsiteFull Time
5+ YOE5+ years software development experience, bachelor's degree, proficiency in C#, Java or C++, Python, strong SQL and cloud (Azure/AWS) skills, SDLC/Git and networking knowledge.
C#, Java, C++, Python, SQL Server, MySQL, PostgreSQL, Microsoft Azure, AWS, Git, POS, ERP, HCM/HRIS
2d
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Developer
Lombard, Illinois, United States
$102k-$127k/yr RemoteFull Time
3+ YOERequires 3 years of .NET development experience, Visual Studio, VB.NET or C#, SQL, Windows Server, Active Directory, IIS, SOAP/REST, and JSON/XML; bachelor's degree or equivalent experience.
.NET, VB.NET, C#, ASP.NET, JavaScript, Microsoft SQL Server, Oracle, Microsoft Visual Studio, Google Maps, IIS, SOAP, REST, JSON, XML, .NET Core, Windows Server, Microsoft Active Directory, SSO, Microsoft SSRS, Microsoft SSIS, Microsoft Excel, Microsoft Outlook, Microsoft Word, Microsoft Teams, Microsoft Azure DevOps, Git, MySQL
3w
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Senior Software Engineer
Elgin, Illinois, United States
OnsiteFull Time
Bachelor's degree in engineering, 4+ years medical device experience, 1+ year embedded development, proficiency in C and assembly, experience with microprocessor-based devices, communication protocols, debugger use, FDA/ISO processes.
C, Assembly, Linux, I2C, SPI, RS232, Ethernet, Bluetooth, Wi-Fi, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
2w
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Engineer Software
Rolling Meadows, Illinois, United States
$88k-$131k/yr OnsiteFull Time
2+ YOEBachelor's in ECE/Computer Engineering or related STEM with 2+ years (or MS with 0+ years). Experience with C#, C, Java, SQL, version control, Agile tools; US citizenship and ability to obtain Secret clearance.
C#, C, Java, SQL, MS Office, Microsoft Excel, Git, Gitlabs, Github, Bitbucket, ClearCase, Azure DevOps, Jira, Confluence, Tableau, PowerBI, SSIS, Jenkins, Alteryx, Visual Studio, IIS Server, WinForm Design Framework, JavaScript
2w
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Engineer Software
Rolling Meadows, Illinois, United States
$88k-$131k/yr OnsiteFull Time
2+ YOEBS in ECE/Computer Engineering or related STEM with 2+ years (or MS with 0+ years), US citizenship, ability to obtain Secret clearance, experience with C#/C/Java, SQL/SSIS, version control and Agile tools.
C#, C, Java, Microsoft Office, Git, Gitlab, GitHub, Bitbucket, ClearCase, Azure DevOps, Jira, Tableau, PowerBI, SSIS, Jenkins, Alteryx, Visual Studio, IIS, ASP.net, Confluence
1w
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Senior Software Developer
Bedford Park, Illinois, United States
$120k-$140k/yr OnsiteFull Time
5+ YOE5+ years professional software development experience; strong C#, .NET, React skills; proficiency with Git, CI/CD, automated testing, AI-assisted development tools; bachelor's in CS/engineering or equivalent.
C#, .NET, React, Git, CI/CD, Microsoft Azure, AWS, Claude Code, Codex, GitHub Copilot, SQL, REST APIs
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Senior Civil Structural Engineer (LT&C)
Plainfield, Illinois, United States
$106k-$132k/yr OnsiteFull Time
6+ YOEBachelor's or Master's in civil/structural engineering, 6+ years LT&C tank engineering experience, familiarity with AISC/ASCE/IBC/API/ACI codes, PE in at least one state, Microsoft Office proficiency, strong communication skills.
Microsoft Office Professional
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Software Engineer I
Ottawa, Illinois, United States
$70k-$80k/yr OnsiteFull Time
2+ YOE2+ years embedded software experience; strong C/C++ and Python; experience with Embedded Linux, Yocto, QNX, RTOS, BSP/kernel work; BS/MS in CS/EE or equivalent; knowledge of IP and serial protocols; ARM experience preferred.
Embedded Linux, Yocto, QNX, RTOS, C, C++, Python, C#
2w
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Developer, Salesforce Agentforce
Vernon Hills, Illinois, United States
$96k-$144k/yr OnsiteFull Time
3+ YOEBachelor's degree or equivalent, 3+ years development experience (2+ with Salesforce), proficiency with Agentforce, Apex, LWC, Flow, Visualforce, JavaScript, Python or C#, and required Salesforce certifications.
Agentforce, Apex, LWC, Flow, Visualforce, HTML/CSS, JavaScript, Python, C#, Einstein, Prompt Builder
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Senior Software Developer
Bedford Park, Illinois, United States
$120k-$140k/yr HybridFull Time
5+ YOE5+ years professional software development experience; advanced proficiency with C#, .NET, React; Git; CI/CD and automated testing experience; bachelor's in CS/Engineering or equivalent.
C#, .NET, React, Git, Microsoft Azure, AWS, Claude Code, Codex, GitHub Copilot, SQL
2mo
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Embedded Software Engineer
Wheeling, Illinois, United States
$127k-$191k/yr OnsiteFull Time
5+ YOE5+ years embedded driver/firmware development in C; BSP/board bring-up experience; familiarity with UART, SPI, I2C, DMA, I2S; USB a plus; Python scripting; read schematics; oscilloscope/logic analyzer use; SVN/Git; cross-functional collaboration.
C, UART, SPI, I2C, DMA, I2S, USB, OLED, Python, Oscilloscopes, Debuggers, Logic Analyzers, SVN, Git
1mo
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Embedded Software Engineer III
Buffalo Grove, Illinois, United States
$79k-$113k/yr OnsiteFull Time
6+ YOEABET-accredited bachelor's in computer/software engineering, 6+ years relevant experience, embedded software design knowledge, APQP/NPD and DFMEA experience, proficiency with Linux, C/C++, RTOS; familiarity with C#, Python, JavaScript, HTML, React.
Linux, C, C++, RTOS, C#, Python, JavaScript, HTML, React
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Software Applications Engineer
Elk Grove Village, Illinois, United States
$65k-$84k/yr OnsiteFull Time
3+ YOEBachelor's in CS/CE/Manufacturing, 3+ years software design and factory automation experience, proficiency with CNC, AutoCAD, SolidWorks, C#, C+, Microsoft Net Framework, MS Office; valid driver’s license and up to 50% travel.
CNC, AutoCAD, SolidWorks, Microsoft Windows, C#, C+, Microsoft Net Framework, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook
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Senior Software Engineer, Integrations
Chicago or Woodridge
$115k-$210k/yr HybridFull Time
5+ YOE5+ years coding experience, B.S. in CS or equivalent, strong Python/C/C++/TypeScript skills, experience with firmware-to-application integrations, customer-facing troubleshooting, and building production software.
Python, C++, TypeScript, C